SG4 8UT North Hertfordshire
Live postcode, introduced January 1980. Ward: Codicote & Kimpton. Region: East of England.
Streets
- St Albans Road, North Hertfordshire: 51 addresses
- The Green, Codicote: 2 addresses
- The Orchard, Codicote: 1 address
- Tithe Close, Codicote: 1 address
Council tax
What each band costs in North Hertfordshire in 2026-27: Band D £2,449 a year on average, including the police, fire and any county and parish charges.
| A | B | C | D | E | F | G | H |
|---|---|---|---|---|---|---|---|
| £1,632 | £1,904 | £2,176 | £2,449 | £2,993 | £3,537 | £4,081 | £4,897 |
Homes by band in the neighbourhood around this postcode: most are in band D (28% of about 860 homes).
Planning and heritage
- Conservation area: no postcode centre in this postcode is in one.
- Listed buildings within 100 m of this postcode: 9.
- Article 4 direction (removing permitted development rights): none recorded, though not every council has published theirs.
- Tree preservation orders: none recorded, though not every council has published theirs.
- Green belt: no.
Listed buildings
- 100, HIGH STREET, grade II
- 14, ST ALBANS ROAD, grade II
- 26-34, ST ALBANS ROAD, grade II
- 82-88, HIGH STREET, grade II
- 90-96, HIGH STREET, grade II
- GRANARY IN GROUNDS NO 8, grade II
- NORTH BARN IN BAKERS LANE, grade II
- TITHE FARMHOUSE, grade II
- TYTHE BARN, grade II
Brownfield land registered for housing within 1.0 km
- Rural Areas - Land at Oakleigh Farm: up to 3 homes, permissioned (880 m)
Flood risk
Rivers, the sea or surface water: in this postcode, 0 addresses are in areas at high risk, 1 at medium risk and 2 at low risk. Each address counts once, at the higher of its rivers-and-sea and surface-water risk.
Rivers and the sea alone: no home is in an area at risk.
High: 3.3% (1 in 30) or more chance of flooding a year. Medium: 1% to 3.3%. Low: 0.1% to 1%. Very low: under 0.1%. The rivers and sea figures allow for flood defences. Counts cover whole postcodes, which can include other streets.
Flood zone for planning: no postcode centre is in flood zone 2 or 3.
Height above sea level
The postcode's 55 addresses are between 103 m and 106 m above sea level (104 m on average).
Broadband
Superfast 100%, ultrafast 98%, gigabit 98% of premises; 0% cannot get 10 Mbit/s. Ofcom Connected Nations, data as at January 2026.
Getting around
| Nearest | Distance | |
|---|---|---|
| Railway stations | Knebworth 437,000 journeys in 2024–25 | 4.0 km |
| Welwyn North 387,000 journeys in 2024–25 | 4.1 km | |
| Welwyn Garden City 2.5 million journeys in 2024–25 | 5.7 km | |
| Bus stops | 9 stops within 400 m, 17 within 800 m; nearest Peace Memorial Hall Codicote | 140 m |
| Bus or coach station | Bus Station Welwyn Garden City | 5.6 km |
| Car parks | Lockleys Drive Car Park | 2.5 km |
| EV charging points | Osprey Charging Station | 2.6 km |
| Airport with scheduled flights | London Luton Airport LTN | 9.5 km |
Local services
| Nearest | Distance | |
|---|---|---|
| GP surgeries | Bridge Cottage Surgery | 2.5 km |
| Pharmacies | 1 pharmacies within 1.6 km; nearest Codicote Pharmacy | 280 m |
| NHS dentists | Knebworth Dental Surgery | 3.9 km |
| Hospital | New Qeii Hospital Cdc | 7.9 km |
| Police station | Stevenage Police Station | 6.1 km |
| Cash machines | The Cooperative Food Knebworth Cashzone | 4.2 km |
Parks and green space
| Nearest | Distance | |
|---|---|---|
| Park or garden | 1 within 800 m; nearest Unnamed 1,400 m² | 670 m |
| Play area | 5 within 800 m; nearest Unnamed 610 m² | 130 m |
| Playing field | 1 within 800 m; nearest Unnamed 7,700 m² | 140 m |
| Allotments | 2 within 800 m; nearest Unnamed 1,270 m² | 560 m |
Within 800 m: 1 park or garden, 0.1 hectares in all.
Landmarks
The nearest historic landmark is The Bury, a listed building (Grade II*), 540 m north-east. 44 listed buildings are within 1.0 km, 2 of them Grade II*.
| Name | What it is | From the postcode's centre |
|---|---|---|
| The Bury | Listed building, Grade II* | 540 m north-east |
| Parish Church of St Giles | Listed building, Grade II* | 690 m north-east |
| Ayot House | Registered park or garden, Grade II | 2.1 km south-west |
| Homewood | Registered park or garden, Grade II | 2.9 km north-east |
| Name | What it is | From the postcode's centre |
|---|---|---|
| First Spring | Wood | 510 m south |
| Hollard's Spring | Wood | 650 m south-east |
| The Grove | Wood | 830 m north-west |
| Heath Plantation | Wood | 850 m west |
| Mill Stream | Lake or reservoir | 1.7 km west |
| Lucas Dell Hole | Hollow | 3.3 km north |
Air quality
| Pollutant | Here | UK limit | WHO guideline |
|---|---|---|---|
| Nitrogen dioxide (NO2) | 7.7 | 40 | 10 |
| Fine particles (PM2.5) | 7.1 | 20 | 5 |
| Particles (PM10) | 11.8 | 40 | 15 |
All three are within the UK legal limits; PM2.5 is above the WHO guideline, as in most towns and cities.
Road and rail noise
Noise figures are still being loaded.
People and work
Who lives here
| Around this postcode | England | |
|---|---|---|
| Median age | 46 | 40 |
| Children under 15 | 20% | 17% |
| Aged 65 and over | 24% | 18% |
Homes
| Around this postcode | England | |
|---|---|---|
| Owned (outright or with a mortgage) | 82% | 61% |
| Owned outright | 44% | 33% |
| Shared ownership | 2% | 1% |
| Social rented | under 1% | 17% |
| Private rented | 15% | 21% |
Work and commuting
| Around this postcode | England | |
|---|---|---|
| Adults (16 and over) in work | 64% | 57% |
| Unemployment (of those working or looking for work) | 4% | 6% |
| Retired (of adults) | 28% | 22% |
| Long-term sick or disabled (of adults) | 0% | 4% |
| Work mainly from home (of those in work) | 62% | 32% |
| Travel to work by car or van | 30% | 48% |
| By train, Underground, metro or tram | 4% | 4% |
| By any public transport, including bus | 4% | 8% |
| On foot or by bicycle | 4% | 10% |
| Work within 10 km of home (of those who travel to work) | 42% | 65% |
| Work 30 km or more away | 20% | 8% |
Education and languages
| Around this postcode | England | |
|---|---|---|
| Degree or other higher qualification, Level 4+ (of adults) | 60% | 34% |
| No qualifications | 5% | 18% |
| Apprenticeship as highest qualification | 2% | 5% |
| Main language English (aged 3 and over) | 100% | 91% |
| Cannot speak English well or at all | 0% | 2% |
Deprivation
The neighbourhood around this postcode is in decile 8 of 10 on the English Indices of Deprivation 2025, where 1 is the most deprived tenth of England's 33,755 neighbourhoods and 10 the least.
The full dossier for this postcode's main street is on St Albans Road.